| WHITEENSIGN | Flag flown by the Royal Navy (5,6) |
| SPITFIRES | Fighters flown by the Royal Canadian Air Force during the Normandy Landings, keeping the skies clear of enemy planes |
| REDENSIGN | Flag flown by the British Merchant Navy (3,6) |
| BLUEENSIGN | Flag flown by the Naval Reserve (4,6) |
| ENSIGN | White -; flag flown by Royal Navy ships and the Royal Yacht Squadron (6) |
| TORPEDO | A weapon used by the Royal Navy is distributed from this depot on the banks of the River Yeo (7) |
| ASDIC | Created towards the end of First World War and further developed by the Royal Navy, a British version of Sonar (5) |
| SEASCOUTS | About 25 per cent of the UK's groups of ____ are recognised by the Royal Navy |
| MODERN | Way of procedure followed by the Royal Navy of today |
| WRENS | Small birds formerly used by the Royal Navy (5) |
| ASTERN | Behind a set arrangement by the Royal Navy (6) |
| SOUTHWICK | Hampshire club founded by the Royal Navy (9) |
| KERNEL | Centre part of a ship torpedoed by the Royal Navy (6) |
| AMERICASCUP | Competition won most recently by the Royal New Zealand Yacht Squadron (8,3) |
| REDDUSTER | Nickname of the flag flown by British merchant ships (3,6) |
| FRIGATE | Warship; as defined by the Royal Navy in World War II, one larger than a corvette and smaller than a destroyer, used as an antisubmarine escort vessel (7) |
| JOLLYROGER | During the 18th Century, flag flown by a pirate ship when about to attack (5,5) |
| STREAMER | Flag flown by ship crossing river (8) |
| BLUEPETER | Flag flown by ship about to sail (4,5) |
| DUSTER | Red ____, informal term for a flag flown by British merchant ships (6) |
